Acronym	tiggy
TOCID symbol	tJ
Name	truncated great icosahedron, great truncated icosahedron
VRML	⭳ ©
Circumradius	sqrt[(29-9 sqrt(5))/8] = 1.053292
Vertex figure	[5/2,62]
General of army	v3o5f
Colonel of regiment	(is itself locally convex – no other uniform polyhedral members)
Dihedral angles	between {5/2} and {6}:   arccos(-sqrt[(5-2 sqrt(5))/15]) = 100.812317° between {6} and {6}:   arccos(sqrt(5)/3) = 41.810315°
Face vector	60, 90, 32
Confer	Grünbaumian relatives: 2tiggy   general polytopal classes: Wythoffian polyhedra
External links

As abstract polytope tiggy is isomorphic to ti, thereby replacing pentagrams by pentagons.

Incidence matrix according to Dynkin symbol

o5/2x3x

.   . . | 60 |  2  1 |  1  2
--------+----+-------+------
.   x . |  2 | 60  * |  1  1
.   . x |  2 |  * 30 |  0  2
--------+----+-------+------
o5/2x . |  5 |  5  0 | 12  *
.   x3x |  6 |  3  3 |  * 20

o5/3x3x

.   . . | 60 |  2  1 |  1  2
--------+----+-------+------
.   x . |  2 | 60  * |  1  1
.   . x |  2 |  * 30 |  0  2
--------+----+-------+------
o5/3x . |  5 |  5  0 | 12  *
.   x3x |  6 |  3  3 |  * 20